{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "236395",
    "entityType": "User",
    "nonce": "0x28b58dcc324cf9af5968b9ca48a395e2c12ff894a489ec3428a0d8b73504712e",
    "signature": "0x401655421eb8ead3ddd83b6cc0ad49438bf7a9bcb3e909163c23b987e30696cb794988ea004aefda8dbaad75682e1d924648f7d40e0a51b07a19105bf8a9bf0f1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}